TB Map (IMAGE) Johns Hopkins Medicine Caption Tuberculosis (TB) has been the leading cause of death worldwide from a single infectious agent for most of the past decade (until surpassed by COVID-19 in 2020). The graphic shows estimated TB rates per 100,000 population, highlighting the devastating global impact of the disease. Credit Graphic created by M.E. Newman, Johns Hopkins Medicine, using map courtesy of the World Health Organization and image of TB bacteria courtesy of U.S. Centers for Disease Control and Prevention Usage Restrictions -- License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.